Burkert Type 2000 - Manual (Page 19)

19
Malfunctions
12. MALFUNCTIONS
Malfunction Remedial action
Actuator does
not switch. Control pressure too low.
→
See pressure specifications on the rating plate.
Medium pressure too high.
→
See pressure specifications on the rating plate.
Direction of flow reversed.
→
See identification on the rating plate.
Valve is not
sealed. Dirt between seal and valve seat.
→
Install dirt trap.
Seat seal worn.
→
Install new pendulum disc.
Seat seal damaged, e.g. by foreign objects, swarf
or similar.
→
Install new pendulum disc.
Direction of flow reversed.
→
See identification on the rating plate.
Control pressure too low.
→
See pressure specifications on the rating plate.
Medium pressure too high.
→
See pressure specifications on the rating plate.
Valve is
leaking on the
release bore. Spindle seal worn.
→
Replacing actuator.
Tab. 1: Malfunctions
13. SPARE PARTS
CAUTION!
Risk of injury and/or damage by the use of incorrect parts!
Incorrect accessories and unsuitable spare parts may cause injuries
and damage the device and the surrounding area.
• Use original accessories and original spare parts from Bürkert
only.
The valve set, order no. 220053, is available as a spare part for the
angle seat valve, Type 2000 INOX. This consists of:
• The pendulum disc:
consisting of - Seal holder
- Seat seal
- Centering
• The graphite seal
This can also be ordered separately
english
Type 2000 INOX